Lost-wax casting · Precious metals · Precious / casting metal
Brass
An economical gold-toned metal; jewelry prototypes, accessories and decorative parts.
What is Brass?
Brass is an alloy of copper and zinc. With its gold-like color, it is an economical option for jewelry prototypes, belt buckles, key rings and decorative parts. It can be plated with gold or rhodium.
- Metal
Technical data
Typical values compiled from common manufacturer datasheets; they vary by brand and grade.
| Density | ≈ 8.4 – 8.7 g/cm³ |
|---|---|
| Melting range | ≈ 900 – 940 °C |
| Plating options | Gold or rhodium plating |
Design guidelines for Brass
General guidelines for Lost-Wax Casting technology. All design guidelines
- Minimum wall thickness0.6 – 1 mm
- Smallest detail0.3 mm
- Clearance for moving parts0.3 mm
- Text and logosEmbossed ≥ 0.35 mm
- Minimum hole diameterØ 0.8 mm
- Unsupported overhang angleFor the pattern, ≥ 30° from horizontal; flatter surfaces need support
Applications
- Jewelry prototypes
- Buckles, key rings, accessories
- Decorative parts
Advantages
- Economical
- Gold tone
Limitations
- Can discolor skin
- May need plating
Comparison
Brass and alternatives
| Property | Brass | Bronze | Sterling silver 925 | Gold (14K / 18K) |
|---|---|---|---|---|
| Density | 8.5 g/cm³ | 8.8 g/cm³ | 10.4 g/cm³ | 14.2 g/cm³ |
| Tensile strength | — | — | — | — |
| Elongation at break | — | — | — | — |
| Modulus (stiffness) | — | — | — | — |
| Heat deflection (0.45 MPa) | — | — | — | — |
Values are averages of typical ranges; see each material page for details.
Good to know
Frequently asked questions about Brass
What is Brass?
Brass is an alloy of copper and zinc. With its gold-like color, it is an economical option for jewelry prototypes, belt buckles, key rings and decorative parts. It can be plated with gold or rhodium.
Is Brass heat resistant?
Brass is a metal; it keeps its strength at much higher temperatures than polymers.
Can Brass be used outdoors?
Yes. Brass has good resistance to UV light and weather; it is suitable for outdoor parts.
Which parts are made with Brass?
Brass is typically used in applications such as jewelry prototypes, buckles, key rings, accessories, decorative parts.
Which material can be used instead of Brass?
Depending on the application, Bronze, Sterling silver 925, Gold (14K / 18K) can be alternatives. You can see the differences in the comparison tables on the material pages.
Does TAİ Robotik produce with Brass?
For Brass, send us your part's dimensions, quantity and operating conditions; we will determine the best production route and, if needed, an equivalent alternative together.
Lost-wax casting · Precious metals
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